[Kirk]

Look in the poultry forum not more than a few days ago i saw some really great pics and details on building something which sounds like what you are talking about. Sorry I am in a big hurry or i would link it for you
Kirk
http://www.homesteadingtoday.com/showthread.php?t=34307 http://homepage.mac.com/linwoodhart/chickentractor/PhotoAlbum14.html
Found some time hope this works
Kirk